/* JAI-Ext - OpenSource Java Advanced Image Extensions Library
 *    http://www.geo-solutions.it/
 *    Copyright 2018 GeoSolutions
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 *  Copyright (c) 2009-2011, Michael Bedward. All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without modification,
 *  are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 *  - Redistributions in binary form must reproduce the above copyright notice, this
 *    list of conditions and the following disclaimer in the documentation and/or
 *    other materials provided with the distribution.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 *  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 *  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.eclipse.imagen.media.jiffle.parser;

import org.eclipse.imagen.media.jiffle.JiffleException;
import org.hamcrest.CoreMatchers;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;

/**
 * Tests parsing options, init and images blocks correctly.
 *
 * @author Michael Bedward
 * @since 0.1
 * @version $Id$
 */
public class SpecialBlocksTest extends ParserTestBase {

    @Rule
    public ExpectedException expected = ExpectedException.none();

    @Test
    public void testDuplicateOptionsBlock() throws Exception {
        expected.expect(JiffleException.class);
        expected.expectMessage(CoreMatchers.containsString("more than one options block"));

        String script = "options { outside = 0; } \n"
                + "options { outside = 0; } \n"
                + "images { result = write; }\n"
                + "result = 42;";

        compileScript(script);
        return;
    }

    @Test
    public void testDuplicateInitBlock() throws Exception {
        expected.expect(JiffleException.class);
        expected.expectMessage(CoreMatchers.containsString("more than one init block"));

        String script = "init { foo = 0; } \n" + "init { bar = 0; } \n" + "images { result = write; }\n" + "dest = 42;";

        compileScript(script);
    }

    @Test
    public void testDuplicateImagesBlock() throws Exception {
        expected.expect(JiffleException.class);
        expected.expectMessage(CoreMatchers.containsString("more than one image block"));

        String script = "images { dest = write; } \n" + "images { dest = write; } \n" + "dest = 42;";

        compileScript(script);
    }

    @Test
    public void validlockPlacement() throws Exception {
        String[] blocks = {"options { outside = 0; }\n", "init { foo = 42; }\n", "images { src=read; dest=write; }\n"};

        String body = "dest = src + foo;";

        int[][] blockPos = {
            {0, 1, 2},
            {0, 2, 1},
            {1, 0, 2},
            {1, 2, 0},
            {2, 0, 1},
            {2, 1, 0}
        };

        for (int[] pos : blockPos) {
            String script = blocks[pos[0]] + blocks[pos[1]] + blocks[pos[2]] + body;

            compileScript(script);
        }
    }
}
